After spending her entire life with her parents in the Tardis, Astrid, the daughter of the Doctor and the Oracle, leaves to find herself at University. There, she befriends River Song, and becomes a part of her story, finding out spoilers the mysterious archaeology student has been hiding. [Spin-off to my To Be-series which you should probably read before you get to this, it will be updated slowly, so I don't spoil the main story]
18 parts